Fiber optics

Fiber optics involves using very clear glass fibers coated with plastic to conduct light waves, allowing for the transmission of vast amounts of information. This innovation paved the way for advanced communication systems by replacing copper wires with cheap glass fibers.
 1970 Fiber optics

Fiber optics involves using very clear glass fibers coated with plastic to conduct light waves, allowing for the transmission of vast amounts of information. This innovation paved the way for advanced communication systems by replacing copper wires with cheap glass fibers.